(1999- )
Founded by Abu Musab Al-Zarqawi
Led by Abu Bakr al-Baghdadi
Affiliated with Al-Qaeda in Iraq (2004-14)
Declared an Islamic State in Iraq (October 13, 2006)
Claim of territory in the Levant (April 8, 2013)
Declared a Caliphate in Iraq (June 29, 2014)
Also known as Islamic State of Iraq and Syria (ISIS)

Why Islamic State of Iraq and the Levant (ISIL) might be annoying

They aided Al-Qaeda operations during Iraq War insurgency.
The United Nations has denounced them for human rights violations and war crimes.
Their flag is inscribed with an Shahada expression declaring 'There is no God, but Allah.'
They were accused of involvement with slaughtering 250 Syrian Army soldiers near Tabqa Air base.
Amnesty International indicted them for ethnic cleansing and violence toward religious minority groups.
They implemented Sharia law into school curriculums.
They have recruited children as young as age nine as soldiers.
There are several reports that ISIL committed violence against women and utilized slavery.
They kidnapped and beheaded several foreign journalists who had been stationed in the Middle East.

Why Islamic State of Iraq and the Levant (ISIL) might not be annoying

The group has denounced embattled Syrian dictator Bashar Al-Assad and has been involved with several covert operations inside Syria.
They encourage Muslims to live as Muhammad and his followers did.
They are very social media savvy.
They have exported oil from captured petroleum fields resulting in a profit of millions of dollars.

For 2019, as of last week, Out of 5520 Votes: 61.81% Annoying
In 2018, Out of 17253 Votes: 71.52% Annoying
In 2017, Out of 7377 Votes: 82.36% Annoying
In 2016, Out of 2380 Votes: 96.47% Annoying
In 2015, Out of 9370 Votes: 75.18% Annoying